Perforated card or tape correcting device,申请号GB19670046581-传众专利搜索

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发明名称	Perforated card or tape correcting device
摘要
申请公布号	GB1146920(A)	申请公布日期	1969.03.26
申请号	GB19670046581	申请日期	1967.10.12
申请人	ZAVODY JANA SVERMY, NARODNI PODNIK	发明人	SVEC JAROSLAV
分类号	G06K21/08	主分类号	G06K21/08
代理机构		代理人
主权项
地址

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